In Firefox, go to View > Text size and increase/decrease using Ctrl and + or -

If you have a scroll wheel on your mouse, you can hold down Ctrl and scroll back or forth to increase or decrease the font size in both IE and Firefox.

Changing your computer screen settingsTo change the size of the image shown on your screen on a PC running Windows 95 and upwards, go to Start > Settings > Control Panel > Display > Settings and change the desktop area by using the sliding bar.

On an Apple Mac, you can use the Monitor & Sound Control Panel to change the resolution.

Having difficulty with your keyboard or mouse?You can fine-tune your mouse and keyboard settings under Start > Settings > Control Panel > Accessibility in Windows 95/98/NT/2000 and XP.

Skipping navigation for talking browsers and screen readersFor speech browsers, you can press Alt and S followed by Enter to skip navigation on our pages.

To watch a video, click on the ‘play’ button at the bottom left of the video player. It is shaped like a small triangle. You can pause the video once it is playing, by clicking on this button again, which will now be a ‘pause’ button, which looks like a number eleven – ‘11’.

You can change the volume of the sound on the video by clicking on the ‘volume control’ button, on the bottom right of the video player. If you click directly on the picture of the speaker, the sound will turn off completely.

If you would like to see the video displayed in a full screen, you can click on the full screen button which is the last button on the bottom right of the video player. To exit the full screen mode you can press ‘escape’ on the keyboard, or click the ‘close full screen’ button on the bottom right hand side of the video player.